Home / 2,512.08-3,466.50-1,392.98

Finding the Fourth Proportional to 2,512.08, 3,466.50 and 1,392.98

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Solution

The fourth proportional to 2,512.08, 3,466.50 and 1,392.98 is: 1,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.08 : 3,466.50 = 1,392.98 : x
  2. Step 2: Convert to fraction form
    2,512.08/3,466.50 = 1,392.98/x
  3. Step 3: Cross multiply
    2,512.08x = 3,466.50 × 1,392.98
  4. Step 4: Simplify right side
    2,512.08x = 4,828,750.93
  5. Step 5: Solve for x
    x = 4,828,750.93/2,512.08
  6. Step 6: Final answer
    x = 1,922.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.